Make it clear that StateTrackingTask is restricted to the states of Force components.
Make it clear that StateTrackingTask is restricted to the states of Force components.

opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core,opensim-org/opensim-core